Tips And Assistance - testo 540 Bedienungsanleitung

Tips and assistance

Questions and answers
Question
Hi
If we could not answer your question, please contact your dealer
or Testo Customer Service. For contact details, please visit www.
testo.com/service-contact.
sto-Direct.ca
Possible causes/solutions
· Readings outside the measuring range (too high:
Keep to the permitted measuring range.
· Residual capacity <10 min: Change batteries.
Testo-Direct
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Tips and assistance 17
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